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Monday, August 21, 2023

This Week in Physics — How Metal Meteorites Magnetize

 

This Week in Physics Magazine — August 21, 2023

Research News

How Metal Meteorites Magnetize

August 15, 2023

For a metal meteorite to retain a magnetic field, its parent asteroid may need a cold rubble core to help drive an internal dynamo.

Viewpoint

Time-Reversal Symmetry and Thermodynamic Forces

Hyun-Myung Chun – August 16, 2023

Dissipation affects the time asymmetry of fluctuations in systems out of thermodynamic equilibrium. A newly discovered inequality elucidates that connection.

Research News

Writing the Rules of Turbulence

August 17, 2023

An experimentally derived equation of state captures a turbulent energy cascade in a far-from-equilibrium quantum gas.

synopsis

Supernovae Could Confess Neutrinos' Secrets

August 15, 2023

A beyond-standard-model interaction between neutrinos could show up in future supernovae observations.

synopsis

Bigger Helium Nanodroplets without the Swirls

August 16, 2023

Researchers have created vortex-free helium nanodroplets that contain more helium atoms than previous droplets of this type, allowing the system to be used in a wider range of studies.

synopsis

Pseudovortices Aid in Modeling the Synchronization Behavior of Neurons

August 17, 2023

The dynamics of a collection of coupled neurons resemble that of vortices in a commonly studied two-dimensional lattice model, a finding that could help in understanding brain function and dysfunction.

synopsis

Milestone for Optical-Lattice Quantum Computer

August 18, 2023

Quantum mechanically entangled groups of eight and ten ultracold atoms provide a critical demonstration for optical-lattice-based quantum processing.

synopsis

Global Quantum Communication via a Satellite Train

August 18, 2023

Long-distance quantum communication can be achieved by directly sending light through space using a train of orbiting satellites that function as optical lenses.



 

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